CN110105909A - Lithium ion battery packet is bonded and sealed the preparation method with polyurethane binder - Google Patents
Lithium ion battery packet is bonded and sealed the preparation method with polyurethane binder Download PDFInfo
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- CN110105909A CN110105909A CN201910481858.7A CN201910481858A CN110105909A CN 110105909 A CN110105909 A CN 110105909A CN 201910481858 A CN201910481858 A CN 201910481858A CN 110105909 A CN110105909 A CN 110105909A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6629—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of preparation method that lithium ion battery packet (PACK) is bonded and sealed with polyurethane binder, it is removed water under condition of negative pressure the following steps are included: polyether polyol and polyester polyol are added in the reaction kettle with nitrogen protection and heats；Filler and thixotropic agent are added in a kettle, control the temperature of reaction mass and stirs to being uniformly dispersed；After being uniformly dispersed, reaction mass, which cools down and auxiliary agent is added, to be dispersed with stirring uniformly, and discharging saves, and obtains host agent A；Host agent A and curing agent component B is subjected to hybrid reaction according to weight ratio for 10 ~ 4:1, obtains finished product.The binder obtained by the method for the invention has very strong leakproofness, and waterproofing grade reaches IP67 or IP68；PACK manufacturer can use this binder whenever and wherever possible, meet the production of different abnormity PACK；This binder is environment-friendly solvent-free product, can carry out open job shop operation completely.
Description
Technical field
The present invention relates to a kind of preparation method that lithium ion battery packet is bonded and sealed with polyurethane binder, the invention belongs to
The preparation method technical field of adhesive.
Background technique
As the universal and country of electric vehicle takes charge of environmental protection severely, the exploitation and application of green energy resource emphatically, the use of lithium battery
It is more and more extensive, and lithium battery is from production in final application to vehicle structure, centre can there are many manufacturing process, among these
End is exactly battery pack (PACK) structure, after battery PACK installs in automobile factory, after adding other system hardware and software program,
One automobile with power source is just really manufactured.
The actual application environment of automobile be it is complicated and diversified, should meet and be travelled in hot summer,
Meet and go on a journey in the environment of down-pour, unobstructed all the way on flat road, rough, muddy road safety is logical
Row.And lithium battery to be in moist environment it is extrahazardous, when especially encountering a large amount of moisture penetration and entering in battery core, meeting
Serious consequence is generated, gently then battery operational failure, it is heavy then short circuit occurs and catches fire, ultimately cause the injures and deaths of property, personnel.Therefore
Good used battery core of how protecting defence be safety this.PACK external packing structure play the role of it is one of be exactly protection electricity
Core model group, but there is micro gap always between one cabinet of top cover of PACK structure, though carried out using bolt arrangement it is firm, because
This, PACK manufacture at present can install gasket in the groove of cabinet, and used gasket is a kind of foaming or not of customization
Foam soft silicagel pad.In this way, PACK producer needs to be customized with gasket manufacturer in advance, and being opened is one not small
Cost, different PACK structure and size situations needs to customize different molds, comes to many PACK producers
It says, this is a no small cost consumption.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, a kind of water-proof binding sealed reliable, production are provided
The preparation method that lower-cost lithium ion battery packet is bonded and sealed with polyurethane binder.
According to technical solution provided by the invention, a kind of lithium ion battery packet is bonded and sealed with polyurethane binder
Preparation method the following steps are included:
A, the molecular weight that 30 ~ 65 parts by weight are added in the reaction kettle with nitrogen protection is the poly- of 3000-6000 hydroxyl value 26 ~ 32
Reaction mass is simultaneously heated to 100-150 DEG C by the polyester polyol of ethoxylated polyhydric alcohol and 5 ~ 20 parts by weight hydroxyl values 380 ~ 450 ,-
It is removed water 1-3 hours under the condition of negative pressure of 0.1Mpa；
B, the filler of 30 ~ 50 parts by weight and the thixotropic agent of 0.3 ~ 3 parts by weight are added in a kettle, controls the temperature of reaction mass
For 100-110 DEG C and constant temperature stirs 3-5 hours to being uniformly dispersed；
C, after being uniformly dispersed, reaction mass cools to 60-80 DEG C and constant temperature is stirred 10-30 minutes and is uniformly dispersed, and discharging saves, and obtains
To host agent A；
D, take commercially available isocyanates product as curing agent component B, by host agent A and curing agent component B according to weight ratio be 10 ~
4:1 carries out hybrid reaction, obtains PACK and be bonded and sealed to use polyurethane binder.
As preferred: the molecular weight of the polyether polyol is preferably 4000-5000.
As preferred: the polyester polyol is adipic acid type polyester polyol or phthalic anhydride type polyester polyol.
As preferred: being also added into the vegetable oil polyol of 10 ~ 30 parts by weight in step a.
As preferred: the vegetable oil polyol is castor oil, soybean oil or their modified product.
As preferred: the filler is titanium dioxide, Paris white, talcum powder, magnesium hydroxide or phosphate modified resistance
Fire agent powder；The thixotropic agent is fumed silica.
As preferred: catalyst, 0.1 ~ 0.5 parts by weight of 0.05 ~ 0.3 parts by weight are added afterwards in place in the cooling of step c
Levelling agent and 0.1 ~ 0.5 parts by weight defoaming agent.
As preferred: the catalyst is organic tin catalyst, organo-bismuth class catalyst or amines catalyst；Institute
Stating levelling agent is silicone levelling agent, silicone levelling agent, esters of acrylic acid levelling agent or based on aforementioned modified correlation
Auxiliary agent.The defoaming agent is for organic silicon defoaming agent, esters of acrylic acid defoaming agent or based on aforementioned modified related auxiliaries.
As preferred: in step d, host agent A and curing agent component B being carried out hybrid reaction according to integer weight ratio.
As preferred: the isocyanates product be thick MDI and its modified product, liquefied mdi, TDI and its modified product,
HDI and its modified product, NDI and its modified product, IPDI and its modified product.
The binder obtained by the method for the invention has very strong leakproofness first, meets the requirement of automobile industry,
I.e. waterproofing grade reaches IP67 or IP68；Followed by technique meets, and PACK manufacturer can use this binder whenever and wherever possible, be not required to
Die sinking work is carried out in advance, meet the production of different abnormity PACK；It is finally this binder is environment-friendly solvent-free product, completely
It can carry out open job shop operation.
Specific embodiment
The present invention is further explained in the light of specific embodiments.
The polyether polyol that following embodiment uses is provided by blue star Dong great Chemical Co., Ltd., model 330N.
The phthalic anhydride type polyester polyol that following embodiment uses is provided by Luoyang along Hangzhoupro commerce and trade, model PAT-462.
The polyalcohol, preferred, polyethers type polyalcohol, to improve the water resistance of product, the molecular weight of polyalcohol used is preferred
400-6000's, further preferably 600-5000, most preferably 800-4500.Macromolecule polyalcohol can assign product preferably cohesion
Intensity, polyether-type macromolecule polyalcohol can assign product excellent flexibility and toughness, promote the feel of product.
The polyester polyol is adipic acid type, the middle low molecular weight polyols of phthalic anhydride type, preferably has aforementioned two kinds knots
The middle low molecular weight polyols of structure, the preferred 200-800 of molecular weight, further preferably 300-600 molecular weight, most preferably 400-
550 molecular weight.The polyalcohol of aforementioned middle low molecular weight is selected, first is that crosslinking can be increased, reticular structure is formed, second is that can increase
The hydrophobicity of pressure product and necessary rigidity.
The vegetable oil polyol is usually the iundustrial oils such as castor oil, soybean oil or its corresponding modified product, preferably
Castor oil is as reactant, with excellent caking property, lower temperature resistance and flexibility, while there is excellent intermiscibility.
The filler includes common titanium dioxide, Paris white, talcum powder etc., and in addition certain powder-type fire retardants can also be both
It is used as fire retardant, so that product is met certain fire-retardant rank requirement, can reach UL94-v0, while playing filling and increasing
Strong effect, such as magnesium hydroxide, phosphate modified fire retardant powder.
The thixotropic agent or thickener are mainly based on fumed silica.
The levelling agent is not particularly limited, and organic silicon, silicone can be used, it is possible to use esters of acrylic acid.Or base
In aforementioned modified related auxiliaries.
The defoaming agent is not particularly limited, and organic silicon can be used, it is possible to use esters of acrylic acid.Or changed based on aforementioned
The related auxiliaries of property.
The catalyst is substantially not particularly limited, and can choose organic tin, organo-bismuth class, amines catalyst.But from
Consider in cost, environmental impact factor and catalytic action, preferred amines class polyurethane gel catalyst, such as commercially available 33LV.It urges
Agent additive amount can actually use operating condition according to client and be adjusted, to meet based on producing line execute-in-place.
The curing agent can directly commercially, wherein thick MDI it is more typical as ten thousand China PM series, what Hensel stepped
The Lupranate series of the De Shimo of Suprasec, Rubinate series and Bayer all series (being free of solvent) and BASF.
In addition Mitsui force field chemistry Zhu Shi commercial firm, Japanese polyurethane industry Zhu Shi commercial firm and DowShi chemistry have corresponding thick MDI
And modified product.
The liquefied mdi can directly be bought from BASF, Bayer and ten thousand Hua Deng isocyanates manufacturers.
The TDI can be bought from manufacturers such as Bayer, Hebei Cang Zhou bigization and Mitsuis.
Described HDI, NDI, IPDI etc. be less or the product of functional group modification containing NCO, can also from Bayer, three well force fields,
The units such as Xinyi agrochemical, Hangzhou Chong Shun chemical industry are bought.
The present invention can select other auxiliary agents, such as antioxidant, colorant or dispersing agent according to actual needs.
Embodiment 1
A kind of lithium ion battery packet be bonded and sealed with the preparation method of polyurethane binder the following steps are included:
A, the molecular weight that 50 parts by weight are added in the reaction kettle with nitrogen protection is the polyethers of 3000-6000 hydroxyl value 26 ~ 32
Polyalcohol (model 330N), the phthalic anhydride type polyester polyol (model PAT-462) of 15 parts by weight hydroxyl values 380 ~ 450 and 15 weights
It measures the castor oil of part and reaction mass is heated to 100-150 DEG C, removed water 1-3 hours under the condition of negative pressure of -0.1Mpa；
B, the filler (Fillers selection halogen-free flameproof powder) of 20 parts by weight and the thixotropic agent (touching of 0.5 parts by weight are added in a kettle
Become agent and select fumed silica), the temperature for controlling reaction mass is 100-110 DEG C and constant temperature stirring 3-5 hours are equal to dispersing
It is even；
C, after being uniformly dispersed, levelling agent (the selection modified silicon ketone of 0.1 parts by weight is added in reaction mass after cooling to 60-80 DEG C
Levelling agent), the defoaming agent of 0.1 parts by weight (selection silicone-based polymers defoaming agent) and the catalyst of 0.05 parts by weight (select
Organic amine catalyst) and constant temperature stir and be uniformly dispersed for 10-30 minute, discharging preservation obtains host agent A；
D, commercially available PAPI(model Suprasec 5005 is taken) as curing agent component B, host agent A and curing agent component B are pressed
It is that 10 ~ 4:1 carries out hybrid reaction according to weight ratio, obtains PACK and be bonded and sealed to use polyurethane binder.
The host agent A that embodiment is obtained and curing agent component B is filling using the filling apparatus progress of profession, is packaged into specific
Deal to facilitate site operation, every part of host agent A and every part of curing agent component B's is equal in weight.
Sizing: it when site operation, takes 10 parts by weight host agent A and 1 parts by weight curing agent component B to be mixed, is then coated in
In PACK groove.After surface drying 3-10 minutes, direct upper top cover sealing.It can also be manually using the system being divided in specific sebific duct
Product carry out manual glue rifle construction, but need to adjust catalyst amount according to the actual situation to meet construction time demand.
Performance characterization: there is weak caking property to substrate metal structure, can quickly be uncovered using pocket knife.Sealing structure is immersed in
In the deep water of 1.2m 3 hours without infiltration.Special requirement can carry out anti-flammability and be modified, and test can reach V0 rank.
Embodiment 2
A kind of lithium ion battery packet be bonded and sealed with the preparation method of polyurethane binder the following steps are included:
A, the molecular weight that 25 parts by weight are added in the reaction kettle with nitrogen protection is the polyethers of 4000-5000 hydroxyl value 26 ~ 32
Polyalcohol (model 330N), the phthalic anhydride type polyester polyol (model PAT-462) of 10 parts by weight hydroxyl values 380 ~ 450 and 15 weights
It measures the castor oil of part and reaction mass is heated to 100-150 DEG C, removed water 1-3 hours under the condition of negative pressure of -0.1Mpa；
B, the thixotropic agent (thixotropic agent of filler (the Fillers selection Paris white) and 1 parts by weight of 40 parts by weight is added in a kettle
Select fumed silica), the temperature for controlling reaction mass is that 100-110 DEG C and constant temperature stir 3-5 hours to being uniformly dispersed；
C, after being uniformly dispersed, levelling agent (the selection modified silicon ketone of 0.5 parts by weight is added in reaction mass after cooling to 60-80 DEG C
Levelling agent), the defoaming agent of 0.3 parts by weight (defoaming agent selects esters of acrylic acid homopolymer) and constant temperature stir dispersion in 10-30 minute
Uniformly, discharging saves, and obtains host agent A；
D, commercially available PAPI(model Suprasec 5005 is taken) as curing agent component B.
The host agent A that embodiment is obtained and curing agent component B is filling using the filling apparatus progress of profession, is packaged into specific
Deal to facilitate site operation, every part of host agent A and every part of curing agent component B's is equal in weight.
Sizing: it when site operation, takes 5 parts by weight host agent A and 1 parts by weight curing agent component B to be mixed, is then coated in
In PACK groove.After surface drying 3-10 minutes, direct upper top cover sealing.It can also be manually using the system being divided in specific sebific duct
Product carry out manual glue rifle construction, but need to adjust catalyst amount according to the actual situation to meet construction time demand.
Performance characterization: there is weak caking property to substrate metal structure, can quickly be uncovered using pocket knife.Sealing structure is immersed in
In the deep water of 1.2m 8 hours without infiltration.Special requirement can carry out anti-flammability and be modified, and test can reach V0 rank.
Embodiment 3
A kind of lithium ion battery packet be bonded and sealed with the preparation method of polyurethane binder the following steps are included:
A, the molecular weight that 58.8 parts by weight are added in the reaction kettle with nitrogen protection is the poly- of 4000-5000 hydroxyl value 26 ~ 32
Ethoxylated polyhydric alcohol, 10 parts by weight hydroxyl values 380 ~ 450 phthalic anhydride type polyester polyol (model PAT-462) and reaction mass is heated
To 100-150 DEG C, removed water 1-3 hours under the condition of negative pressure of -0.1Mpa；
B, the thixotroping of filler (the phosphate modified fire retardant powder of Fillers selection) and 1 parts by weight of 30 parts by weight is added in a kettle
(thixotropic agent selects fumed silica, is supplied by Cabot: model Ts-720), the temperature for controlling reaction mass is 100- for agent
110 DEG C and constant temperature stir 3-5 hours to being uniformly dispersed；
C, after being uniformly dispersed, levelling agent (the selection modified silicon ketone of 0.1 parts by weight is added in reaction mass after cooling to 60-80 DEG C
Levelling agent), the defoaming agent of 0.1 parts by weight (selection organic silicon defoaming agent) and the catalyst of 0.05 parts by weight (select organic amine
Class catalyst) and constant temperature stir and be uniformly dispersed for 10-30 minute, discharging preservation obtains host agent A；
D, commercially available PAPI(model Suprasec 5005 is taken) as curing agent component B.
The host agent A that embodiment is obtained and curing agent component B is filling using the filling apparatus progress of profession, is packaged into specific
Deal to facilitate site operation, every part of host agent A and every part of curing agent component B's is equal in weight.
Sizing: it when site operation, takes 10 parts of host agent A and 1 part of curing agent component B to be mixed, is then coated in PACK groove
It is interior.After surface drying 3-10 minutes, direct upper top cover sealing.Can also hand manually be carried out using the product being divided in specific sebific duct
Dynamic glue rifle construction, but need to adjust catalyst amount according to the actual situation to meet construction time demand.
Performance characterization: there is weak caking property to substrate metal structure, can quickly be uncovered using pocket knife.Sealing structure is immersed in
In the deep water of 1.3m 24 hours without infiltration.Special requirement can carry out anti-flammability and be modified, and test can reach V0 rank.
Claims (10)
1. a kind of preparation method that lithium ion battery packet (PACK) is bonded and sealed with polyurethane binder, it is characterized in that the preparation side
Method the following steps are included:
A, the molecular weight that 25 ~ 60 parts by weight are added in the reaction kettle with nitrogen protection is the poly- of 3000-6000 hydroxyl value 26 ~ 32
Reaction mass is simultaneously heated to 100-150 DEG C by the polyester polyol of ethoxylated polyhydric alcohol and 10 ~ 15 parts by weight hydroxyl values 380 ~ 450 ,-
It is removed water 1-3 hours under the condition of negative pressure of 0.1Mpa；
B, the filler of 20 ~ 40 parts by weight and the thixotropic agent of 0.5 ~ 1 parts by weight are added in a kettle, controls the temperature of reaction mass
For 100-110 DEG C and constant temperature stirs 3-5 hours to being uniformly dispersed；
C, after being uniformly dispersed, reaction mass cools to 60-80 DEG C and constant temperature is stirred 10-30 minutes and is uniformly dispersed, and discharging saves, and obtains
To host agent A；
D, take commercially available isocyanates product as curing agent component B, by host agent A and curing agent component B according to weight ratio be 10 ~
4:1 carries out hybrid reaction, obtains PACK and be bonded and sealed to use polyurethane binder.
2. the preparation method that lithium ion battery packet as described in claim 1 is bonded and sealed with polyurethane binder, it is characterized in that:
The molecular weight of the polyether polyol is preferably 4000-5000.
3. the preparation method that lithium ion battery packet as described in claim 1 is bonded and sealed with polyurethane binder, it is characterized in that:
The polyester polyol is adipic acid type polyester polyol or phthalic anhydride type polyester polyol.
4. the preparation method that lithium ion battery packet as described in claim 1 is bonded and sealed with polyurethane binder, it is characterized in that:
The vegetable oil polyol of 10 ~ 30 parts by weight is also added into step a.
5. the preparation method that lithium ion battery packet as claimed in claim 4 is bonded and sealed with polyurethane binder, it is characterized in that:
The vegetable oil polyol is castor oil, soybean oil or their modified product.
6. the preparation method that lithium ion battery packet as described in claim 1 is bonded and sealed with polyurethane binder, it is characterized in that:
The filler is titanium dioxide, Paris white, talcum powder, magnesium hydroxide or phosphate modified fire retardant powder；The thixotropic agent
For fumed silica.
7. the preparation method that lithium ion battery packet as described in claim 1 is bonded and sealed with polyurethane binder, it is characterized in that:
The levelling agent and 0.1 ~ 0.5 of the catalyst of 0.05 ~ 0.3 parts by weight, 0.1 ~ 0.5 parts by weight is added afterwards in place in the cooling of step c
The defoaming agent of parts by weight.
8. the preparation method that lithium ion battery packet as claimed in claim 7 is bonded and sealed with polyurethane binder, it is characterized in that:
The catalyst is organic tin catalyst, organo-bismuth class catalyst or amines catalyst；The levelling agent is organosilicon
Class levelling agent, silicone levelling agent, esters of acrylic acid levelling agent or based on aforementioned modified related auxiliaries.The defoaming agent is
Organic silicon defoaming agent, esters of acrylic acid defoaming agent or based on aforementioned modified related auxiliaries.
9. the preparation method that lithium ion battery packet as described in claim 1 is bonded and sealed with polyurethane binder, it is characterized in that:
In step d, host agent A and curing agent component B is subjected to hybrid reaction according to integer weight ratio.
10. the preparation method that lithium ion battery packet as described in claim 1 is bonded and sealed with polyurethane binder, feature
Be: the isocyanates product is thick MDI and its modified product, liquefied mdi, TDI and its modified product, HDI and its modified production
Product, NDI and its modified product, IPDI and its modified product.
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| CN201910481858.7A CN110105909A (en) | 2019-06-04 | 2019-06-04 | Lithium ion battery packet is bonded and sealed the preparation method with polyurethane binder |
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| CN201910481858.7A CN110105909A (en) | 2019-06-04 | 2019-06-04 | Lithium ion battery packet is bonded and sealed the preparation method with polyurethane binder |
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Cited By (3)
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| CN111303820A (en) * | 2020-03-09 | 2020-06-19 | 杭州之江新材料有限公司 | Double-component polyurethane structural adhesive for bonding power battery and preparation method thereof |
| CN113025259A (en) * | 2020-12-16 | 2021-06-25 | 江苏中科聚合新材料产业技术研究院有限公司 | Detachable bi-component polyurethane adhesive, preparation method thereof and detachable structural member |
| CN113750400A (en) * | 2020-05-29 | 2021-12-07 | 山东海科创新研究院有限公司 | Flexible flame-retardant filler and secondary battery |
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| CN109181621A (en) * | 2018-09-11 | 2019-01-11 | 浙江奔富新能源股份有限公司 | A kind of dual-component polyurethane Resin adhesive and preparation method thereof for polymer Li-ion battery flexible packaging film |
| CN109609081A (en) * | 2018-12-11 | 2019-04-12 | 烟台德邦科技有限公司 | Polyurethane adhesive for bonding power battery PACK structure |
| CN109593507A (en) * | 2018-12-17 | 2019-04-09 | 烟台德邦科技有限公司 | Polyurethane adhesive for bonding soft package battery cell |
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| CN111303820A (en) * | 2020-03-09 | 2020-06-19 | 杭州之江新材料有限公司 | Double-component polyurethane structural adhesive for bonding power battery and preparation method thereof |
| CN113750400A (en) * | 2020-05-29 | 2021-12-07 | 山东海科创新研究院有限公司 | Flexible flame-retardant filler and secondary battery |
| CN113025259A (en) * | 2020-12-16 | 2021-06-25 | 江苏中科聚合新材料产业技术研究院有限公司 | Detachable bi-component polyurethane adhesive, preparation method thereof and detachable structural member |
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Application publication date: 20190809 |